Lower bounds for MTS

 Apr 20, 2018 - We prove lower bounds for MTS on certain classes of ultrametrics

Approximation by ultrametrics

 Apr 12, 2018 - The competitive ratio for MTS is controlled by ultrametrics

Metrical task systems on a weighted star

 Apr 9, 2018 - Using the mirror descent framework for MTS

Navigating a convex body online

 Apr 6, 2018 - Continuous-time mirror descent analysis

Regret minimization and competitive analysis

 Apr 1, 2018 - Regret minimization vs. competitive analysis

tcsmath relaunch

 Mar 31, 2018 - A relaunching of tcsmath

An entropy optimal drift

 Nov 21, 2015 - Föllmer's drift, Ito's lemma, and the Gaussian log-Sobolev inequality